EP3845964A4 - LIGHTING DEVICE AND DISPLAY DEVICE - Google Patents

LIGHTING DEVICE AND DISPLAY DEVICE Download PDF

Info

Publication number
EP3845964A4
EP3845964A4 EP19853360.6A EP19853360A EP3845964A4 EP 3845964 A4 EP3845964 A4 EP 3845964A4 EP 19853360 A EP19853360 A EP 19853360A EP 3845964 A4 EP3845964 A4 EP 3845964A4
Authority
EP
European Patent Office
Prior art keywords
illumination
display device
display
illumination device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19853360.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3845964A1 (en
Inventor
Takahiro Mochizuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Group Corp
Original Assignee
Sony Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Group Corp filed Critical Sony Group Corp
Publication of EP3845964A1 publication Critical patent/EP3845964A1/en
Publication of EP3845964A4 publication Critical patent/EP3845964A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3155—Modulator illumination systems for controlling the light source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/312—Driving therefor
    • H04N9/3126—Driving therefor for spatial light modulators in series
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13731—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a field-induced phase transition
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2073—Polarisers in the lamp house
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3161—Modulator illumination systems using laser light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Liquid Crystal (AREA)
EP19853360.6A 2018-08-31 2019-08-08 LIGHTING DEVICE AND DISPLAY DEVICE Pending EP3845964A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018162309 2018-08-31
PCT/JP2019/031308 WO2020045025A1 (ja) 2018-08-31 2019-08-08 照明装置、および表示装置

Publications (2)

Publication Number Publication Date
EP3845964A1 EP3845964A1 (en) 2021-07-07
EP3845964A4 true EP3845964A4 (en) 2021-11-10

Family

ID=69644210

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19853360.6A Pending EP3845964A4 (en) 2018-08-31 2019-08-08 LIGHTING DEVICE AND DISPLAY DEVICE

Country Status (6)

Country Link
US (1) US11153541B2 (ko)
EP (1) EP3845964A4 (ko)
JP (1) JP7314946B2 (ko)
KR (1) KR20210048495A (ko)
CN (1) CN112585532B (ko)
WO (1) WO2020045025A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230314846A1 (en) * 2022-03-31 2023-10-05 Meta Platforms Technologies, Llc Configurable multifunctional display panel
TW202401126A (zh) * 2022-05-25 2024-01-01 日商索尼集團公司 圖像顯示裝置
KR20240073449A (ko) * 2022-11-18 2024-05-27 삼성전자주식회사 디스플레이 장치 및 그 구동 방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005257872A (ja) * 2004-03-10 2005-09-22 Seiko Epson Corp 照明装置及びプロジェクタ
EP1895363A2 (en) * 2006-08-30 2008-03-05 Olympus Corporation Illumination apparatus and image projector using the same
US20090058994A1 (en) * 2007-08-28 2009-03-05 Hon Hai Precision Industry Co., Ltd. Stereo projection optical system
US20150138508A1 (en) * 2013-11-15 2015-05-21 Reald Inc. High dynamic range, high contrast projection systems
US20160295178A1 (en) * 2013-10-20 2016-10-06 Mtt Innovation Incorporated Light field projectors and methods
WO2018141407A1 (en) * 2017-02-03 2018-08-09 Barco N.V. System and method for enhanced image projection

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803968B1 (fr) * 2000-01-17 2002-05-31 Ct Scient Tech Batiment Cstb Procede et dispositif de restitution d'un signal lumineux
JP4776785B2 (ja) * 2001-01-12 2011-09-21 キヤノン株式会社 投射型表示装置
ES2813107T3 (es) * 2001-02-27 2021-03-22 Dolby Laboratories Licensing Corp Procedimiento y dispositivo para visualizar una imagen
US8687271B2 (en) * 2002-03-13 2014-04-01 Dolby Laboratories Licensing Corporation N-modulation displays and related methods
JP2005234539A (ja) * 2004-01-20 2005-09-02 Seiko Epson Corp 光学系の光伝搬構造、光学表示装置および光変調素子
JP2005250235A (ja) * 2004-03-05 2005-09-15 Seiko Epson Corp 光変調装置、光学表示装置、光変調制御プログラム及び光学表示装置制御プログラム、並びに光変調制御方法及び光学表示装置制御方法
CN101226325B (zh) * 2008-02-03 2010-06-02 李志扬 基于随机相长干涉的三维显示方法及装置
JP2011151640A (ja) 2010-01-22 2011-08-04 Seiko Epson Corp 投写位置補正装置、プロジェクター及び投写位置補正データ生成方法
ES2670518T3 (es) * 2011-04-19 2018-05-30 Dolby Laboratories Licensing Corporation Dispositivos de visualización de proyección con alta luminancia y métodos asociados
JP5935679B2 (ja) * 2012-04-02 2016-06-15 ソニー株式会社 照明装置および表示装置
US8976318B2 (en) * 2013-03-14 2015-03-10 Christie Digital Systems Usa Inc. System and method for zonal switching for light steering to produce an image having high dynamic range
EP3697085B1 (en) * 2013-10-10 2022-07-27 Dolby Laboratories Licensing Corporation Displaying dci and other content on an enhanced dynamic range projector
US20150124330A1 (en) * 2013-11-04 2015-05-07 Christie Digital Systems Canada Inc. Relay lens system for a high dynamic range projector
EP3143763B8 (en) 2014-05-15 2023-12-27 MTT Innovation Incorporated Light projector and method for displaying an image
CN106662739B (zh) * 2014-06-03 2020-06-12 Mtt创新公司 应用于成像、照明和投影的高效的动态高对比度透镜作用
CN105227941A (zh) * 2014-06-18 2016-01-06 深圳市绎立锐光科技开发有限公司 一种投影控制***
EP3034499A1 (en) 2014-12-17 2016-06-22 Gilead Sciences, Inc. Novel FXR (NR1H4) modulating compounds
JP6503816B2 (ja) 2015-03-20 2019-04-24 セイコーエプソン株式会社 プロジェクター
JP6757157B2 (ja) * 2016-03-29 2020-09-16 キヤノン株式会社 投影装置およびその制御方法
US11368217B2 (en) * 2017-08-01 2022-06-21 Nec Corporation Receiving device, communication system, receiving method, and composite image generation program

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005257872A (ja) * 2004-03-10 2005-09-22 Seiko Epson Corp 照明装置及びプロジェクタ
EP1895363A2 (en) * 2006-08-30 2008-03-05 Olympus Corporation Illumination apparatus and image projector using the same
US20090058994A1 (en) * 2007-08-28 2009-03-05 Hon Hai Precision Industry Co., Ltd. Stereo projection optical system
US20160295178A1 (en) * 2013-10-20 2016-10-06 Mtt Innovation Incorporated Light field projectors and methods
US20150138508A1 (en) * 2013-11-15 2015-05-21 Reald Inc. High dynamic range, high contrast projection systems
WO2018141407A1 (en) * 2017-02-03 2018-08-09 Barco N.V. System and method for enhanced image projection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020045025A1 *

Also Published As

Publication number Publication date
US20210168340A1 (en) 2021-06-03
KR20210048495A (ko) 2021-05-03
EP3845964A1 (en) 2021-07-07
CN112585532A (zh) 2021-03-30
US11153541B2 (en) 2021-10-19
WO2020045025A1 (ja) 2020-03-05
JPWO2020045025A1 (ja) 2021-08-26
CN112585532B (zh) 2022-08-30
JP7314946B2 (ja) 2023-07-26

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